Pass Callback to TaskRunner by value and consume it on invocation (1)

base/task_scheduler/task_scheduler_impl.cc

Index: base/task_scheduler/task_scheduler_impl.cc
diff --git a/base/task_scheduler/task_scheduler_impl.cc b/base/task_scheduler/task_scheduler_impl.cc
index e5c8abf716306f8602b0cde8786e10dc292f1739..f40f5872c1e11da64047e0e972c7f9bba00a0670 100644
--- a/base/task_scheduler/task_scheduler_impl.cc
+++ b/base/task_scheduler/task_scheduler_impl.cc
@@ -44,11 +44,11 @@ TaskSchedulerImpl::~TaskSchedulerImpl() {
 void TaskSchedulerImpl::PostDelayedTaskWithTraits(
     const tracked_objects::Location& from_here,
     const TaskTraits& traits,
-    const Closure& task,
+    Closure task,
     TimeDelta delay) {
   // Post |task| as part of a one-off single-task Sequence.
   GetWorkerPoolForTraits(traits)->PostTaskWithSequence(
-      MakeUnique<Task>(from_here, task, traits, delay),
+      MakeUnique<Task>(from_here, std::move(task), traits, delay),
       make_scoped_refptr(new Sequence));
 }